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Title: Floquet quantum criticality

Abstract

Significance Periodically driven “Floquet” systems are nonequilibrium systems whose time translation symmetry can give rise to a rich dynamical phase structure. In the presence of quenched disorder, they can avoid thermalizing to a bland infinite temperature state through a phenomenon known as many-body localization (MBL). The ability of these driven MBL phases to host phenomena forbidden in equilibrium, such as “time crystallinity,” has gained widespread interest in recent years. In this work, we consider the question of the criticality that emerges at the transitions between distinct Floquet MBL phases. By providing a universally applicable picture and applying it to a prototypical driven system, the driven Ising chain, we identify critical points and give an understanding of Floquet criticality in general.

Authors:
 [1];  [2];  [3];  [4]
  1. Department of Physics, University of California, Berkeley, CA 94720,
  2. Department of Physics, University of California, Berkeley, CA 94720,, Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720,, Department of Physics, The University of Texas at Dallas, Richardson, TX 75080,
  3. The Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford OX1 3PU, United Kingdom,
  4. Department of Physics, University of Massachusetts, Amherst, MA 01003
Publication Date:
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1467541
Grant/Contract Number:  
DEAC02-05CH11231; TIMES Initiative; CA-15- 327861
Resource Type:
Published Article
Journal Name:
Proceedings of the National Academy of Sciences of the United States of America
Additional Journal Information:
Journal Name: Proceedings of the National Academy of Sciences of the United States of America Journal Volume: 115 Journal Issue: 38; Journal ID: ISSN 0027-8424
Publisher:
Proceedings of the National Academy of Sciences
Country of Publication:
United States
Language:
English

Citation Formats

Berdanier, William, Kolodrubetz, Michael, Parameswaran, S. A., and Vasseur, Romain. Floquet quantum criticality. United States: N. p., 2018. Web. doi:10.1073/pnas.1805796115.
Berdanier, William, Kolodrubetz, Michael, Parameswaran, S. A., & Vasseur, Romain. Floquet quantum criticality. United States. https://doi.org/10.1073/pnas.1805796115
Berdanier, William, Kolodrubetz, Michael, Parameswaran, S. A., and Vasseur, Romain. Wed . "Floquet quantum criticality". United States. https://doi.org/10.1073/pnas.1805796115.
@article{osti_1467541,
title = {Floquet quantum criticality},
author = {Berdanier, William and Kolodrubetz, Michael and Parameswaran, S. A. and Vasseur, Romain},
abstractNote = {Significance Periodically driven “Floquet” systems are nonequilibrium systems whose time translation symmetry can give rise to a rich dynamical phase structure. In the presence of quenched disorder, they can avoid thermalizing to a bland infinite temperature state through a phenomenon known as many-body localization (MBL). The ability of these driven MBL phases to host phenomena forbidden in equilibrium, such as “time crystallinity,” has gained widespread interest in recent years. In this work, we consider the question of the criticality that emerges at the transitions between distinct Floquet MBL phases. By providing a universally applicable picture and applying it to a prototypical driven system, the driven Ising chain, we identify critical points and give an understanding of Floquet criticality in general.},
doi = {10.1073/pnas.1805796115},
journal = {Proceedings of the National Academy of Sciences of the United States of America},
number = 38,
volume = 115,
place = {United States},
year = {Wed Aug 29 00:00:00 EDT 2018},
month = {Wed Aug 29 00:00:00 EDT 2018}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1073/pnas.1805796115

Citation Metrics:
Cited by: 31 works
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